Mis Links favoritos

Tube museum

Portal fuenterebollo

Daves homemade tube radios

Vintage radio repair and restoration

Schematics

Diales radios

Esquemas

Esquemas Grundig

Frank electron tube datasheet

Links de radio

Esquemas

La radio de sophie

Electron tube datasheets

Loewe multivalves

Philips

Magic eye tubes

Engels

Esquemas

Hora 13

Vintage radio

Historia de la comunicacion

Telecommunications Timeline (thanks Peyton)